SI2868083T1 - Random access and signaling of long-term reference pictures in video coding - Google Patents

Random access and signaling of long-term reference pictures in video coding Download PDF

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SI2868083T1
SI2868083T1 SI201330922T SI201330922T SI2868083T1 SI 2868083 T1 SI2868083 T1 SI 2868083T1 SI 201330922 T SI201330922 T SI 201330922T SI 201330922 T SI201330922 T SI 201330922T SI 2868083 T1 SI2868083 T1 SI 2868083T1
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images
image
rap
rap image
sequence
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Adarsh Krishnan Ramasubramonian
Ye-Kui Wang
Rajan Laxman Joshi
Ying Chen
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Qualcomm Incorporated
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

A video coder can be configured to code a random access point (RAP) picture and code one or more decodable leading pictures (DLPs) for the RAP picture such that all pictures that are targeted for discard precede the DLPs associated with the RAP picture in display order.

Description

Original document published without description

Claims (11)

EP 2 868 083 BI Naključni dostop in signaliziranje dolgoročnih referenčnih slik pri kodiranju videa Patentni zahtevkiEP 2 868 083 BI Random access and signaling of long-term reference images when encoding video Patent claims 1. Postopek za kodiranje video podatkov, pri čemer postopek obsega: kodiranje (161) RAP-(random access point)-slike; pri čemer RAP-slika obsega CRA-(clean random access)-sliko, in BLA-(broken link access)-sliko; kodiranje ene ali več RASL-(random access skipped leading)-slik, ki so povezane z RAP-sliko, pri čemer je ena ali več RASL-slik pred RAP-sliko v vrednosti izhodnega zaporedja in sledi RAP-sliki v dekodimem zaporedju ter se nanaša na video podatke, ki so zgodnejši od RAP-slike v dekodimem zaporedju; kodiranje (162) ene ali več RADL-(random access decodable leading)-slik iz RAP-slike v skladu z omejitvijo, da so vse RASL-slike pred RADL-i, ki so povezani z RAP-sliko v izhodnem zaporedju, pri čemer RADL-i obsegajo eno ali več slik, ki imajo vrednosti izhodnega zaporedja, ki kažejo dekodimo zaporedje, ki je kasnejše od vrednosti izhodnega zaporedja RAP-slike, in pri čemer se ena ali več slik ne nanaša na video podatke, ki so zgodnejši od RAP-slike v dekodimem zaporedju.A method for encoding video data, the method comprising: encoding (161) RAP- (random access point) -slike; wherein the RAP image comprises a CRA- (clean random access) image, and a BLA- (broken link access) -figure; encoding one or more RASL (random access skipped leading) images associated with the RAP image, wherein one or more RASL images are in front of the RAP image in the output sequence values and followed by the RAP image in the decoded sequence, and refers to video data that is earlier than the RAP image in the decoding sequence; encoding (162) one or more RADL (random access decodable leading) images from the RAP image according to the limitation that all RASL images are in front of the RADL-i associated with the RAP image in the output sequence, RADLs comprise one or more images having output sequence values indicative of a decoding sequence that is later than the output value of the RAP image image, and wherein one or more of the images do not relate to video data that is earlier than the RAP - the decoding sequence. 2. Postopek po zahtevku 1, ki dalje obsega kodiranje ene ali več vodilnih slik glede na RAP-sliko v skladu z omejitvijo, da so vse vodilne slike za RAP-sliko pred vsemi sledečimi slikami za RAP-sliko v dekodimem zaporedju, pri čemer sledeče slike obsegajo slike, ki imajo vrednosti izhodnega zaporedja, ki so večje od vrednosti izhodnega zaporedja RAP-slike.The method of claim 1, further comprising encoding one or more guiding images with respect to the RAP image according to the limitation that all the guiding images for the RAP image in front of all of the following images for the RAP image in the decoding sequence, wherein the following the images comprise images having an output sequence value greater than the value of the output sequence of the RAP image. 3. Postopek po zahtevku 1, pri čemer je katera koli slika, ki je pred CRA-sliko ali BLA-sliko v dekodimem zaporedju, pred katero koli RADL-sliko, ki je povezana s CRA-sliko ali BLA-sliko v izhodnem zaporedju.The method of claim 1, wherein any image is in the decoding sequence before the CRA image or BLA image in front of any RADL image associated with the CRA image or the BLA image in the output sequence. 4. Postopek po zahtevku 1, pri čemer postopek ki dalje obsega: kodiranje ene ali več vodilnih slik, ki so povezane z RAP-sliko, pri čemer so vodilne slike pred RAP-sliko v vrednosti izhodnega zaporedja in za RAP-sliko v dekodimem zaporedju; in kodiranje ene ali več sledečih slik, ki so povezane z RAP-sliko v skladu z omejitvijo, da so vse vodilne slike pred vsemi sledečimi slikami v dekodimem zaporedju, pri čemer so sledeče slike za RAP-sliko tako v vrednosti izhodnega zaporedja kot tudi v dekodimem zaporedju.The method of claim 1, wherein the method further comprises: encoding one or more guide images associated with the RAP image, the guiding images in front of the RAP image in the output sequence values and for the RAP image in the decoding sequence ; and encoding one or more of the following images associated with the RAP image according to the limitation that all the guiding images in front of all the following images are in a decoding sequence, the following RAP images for both the output sequence values and the decode in sequence. 5. Postopek po zahtevku 1, pri čemer kodiranje enega ali več RADL-ov za RAP-sliko obsega kodiranje enega ali več RADL-ov, ki so povezani z RAP-sliko v skladu z omejitvijo, da so vse RASL-slike pred RADL-i v izhodnem zaporedju, pri čemer so RADL-i pred RAP-sliko v izhodnem zaporedju in za RAP-sliko v dekodimem zaporedju in se ne nanašajo na video podatke, ki so zgodnejši od RAP-slike v dekodimem zaporedju.The method of claim 1, wherein the encoding of one or more RADLs for the RAP image comprises encoding one or more RADLs associated with the RAP image according to the limitation that all RASL images are in front of the RADL- i in the output order, wherein the RADLs i in the RAP image are in the output order and for the RAP image in a decoding sequence and do not relate to video data that are earlier than the RAP image in the decoded sequence. 6. Postopek po zahtevku 1, pri čemer postopek ki dalje obsega: kodiranje ene ali več slik, ki so pred RAP-sliko v kodirnem zaporedju; in pri čemer kodiranje enega ali več RADL-ov obsega kodiranje enega ali več RADL-ov, ki so povezani z RAP-sliko v skladu z omejitvijo, da so vse slike, ki so pred RAP-sliko v dekodimem zaporedju tudi pred vsemi RADL-i v izhodnem zaporedju, pri čemer so RADL-i pred RAP-sliko v izhodnem zaporedju in za RAP-sliko v dekodimem zaporedju in se ne nanašajo na video podatke, ki so zgodnejši od RAP-slike v dekodimem zaporedju.The method of claim 1, wherein the method further comprises: encoding one or more images in front of the RAP image in a coding sequence; and wherein the encoding of one or more RADLs comprises encoding one or more RADLs associated with the RAP image according to the limitation that all the images that are in the decoding sequence before the RAP image are also in front of all RADL- i in the output order, wherein the RADLs i in the RAP image are in the output order and for the RAP image in a decoding sequence and do not relate to video data that are earlier than the RAP image in the decoded sequence. 7. Postopek po zahtevku 1, pri čemer se kodiranje RAP-slike izvede kot del procesa kodiranja videa.The method of claim 1, wherein the encoding of the RAP image is performed as part of the video encoding process. 8. Postopek za dekodiranje video podatkov, ki so bili kodirani v skladu s postopkom po katerem koli od zahtevkov od 1 do 7, pri čemer postopek obsega: dekodiranje RAP-slike; dekodiranje ene ali več RASL-slik, ki so povezane z RAP-sliko; in dekodiranje ene ali več RADL-slik za RAP-sliko v skladu z omejitvijo, da so vse izmed ene ali več RASL-slik pred RADL-i, ki so povezani z RAP-sliko v izhodnem zaporedju.A method for decoding video data coded according to the method of any one of claims 1 to 7, the method comprising: decoding the RAP image; decoding one or more RASL images associated with the RAP image; and decoding one or more RADL images for the RAP image according to the limitation that all of one or more RASL images are in front of the RADLs, which are associated with the RAP image in the output sequence. 9. Naprava za kodiranje video podatkov, pri čemer naprava obsega: sredstvo za kodiranje RAP-(random access point)-slike; pri čemer RAP-slika obsega CRA-(clean random access)-sliko, in BLA-(broken link access)-sliko; sredstvo kodiranje ene ali več RASL-(random access skipped leading)-slik, ki so povezane z RAP-sliko, pri čemer je ena ali več RASL-slik pred RAP-sliko v vrednosti izhodnega zaporedja in sledi RAP-sliki v dekodimem zaporedju ter se nanaša na video podatke, ki so zgodnejši od RAP-slike v dekodimem zaporedju; in sredstvo za dekodiranje ene ali več RADL-slik za RAP-sliko v skladu z omejitvijo, da so vse RASL-slike pred RADL-i, ki so povezani z RAP-sliko v izhodnem zaporedju; pri čemer RADL-i obsegajo eno ali več slik, ki imajo vrednosti izhodnega zaporedja, ki kažejo izhodno zaporedje, kije zgodnejše od vrednosti izhodnega zaporedja RAP-slike in imajo vrednosti dekodimega zaporedja, ki kažejo dekodimo zaporedje, ki je kasnejše od vrednosti dekodimega zaporedja RAP-slike, in pri čemer se ena ali več slik ne nanaša na video podatke, ki so zgodnejši od RAP-slike v dekodimem zaporedju.Device for encoding video data, the device comprising: a random access point-like encoder; wherein the RAP image comprises a CRA- (clean random access) image, and a BLA- (broken link access) -figure; means encoding one or more RASL (random access skipped leading) images associated with the RAP image, wherein one or more RASL images are in front of the RAP image in the output sequence values and followed by the RAP image in the decoded order, and refers to video data that is earlier than the RAP image in the decoding sequence; and means for decoding one or more RADL images for the RAP image according to the limitation that all RASL images are in front of the RADLs, which are associated with the RAP image in the output sequence; wherein the RADLs comprise one or more images having an output sequence values indicative of an output sequence that is earlier than the output sequence of the RAP image and have decode sequence values indicating a decoding sequence that is later than the value of the decoding sequence RAP -like, and wherein one or more of the images do not relate to video data that is earlier than the RAP image in the decoding sequence. 10. Naprava po zahtevku 9, ki dalje obsega sredstvo za kodiranje ene ali več vodilnih slik glede na RAP-sliko v skladu z omejitvijo, da so vse vodilne slike za RAP-sliko pred vsemi sledečimi slikami za RAP-sliko v dekodimem zaporedju, pri čemer sledeče slike obsegajo slike, ki imajo vrednosti izhodnega zaporedja, ki so večje od vrednosti izhodnega zaporedja RAP-slike.The apparatus of claim 9 further comprising means for encoding one or more guiding images with respect to the RAP image according to the limitation that all the guiding images for the RAP image are preceded by all the following RAP images in the decoding sequence, in wherein the following images comprise images having an output sequence value greater than the value of the output sequence of the RAP image. 11. Računalniško berljiv shranjevalni medij, ki ima shranjena navodila, ki, kadar jih izvajajo eden ali več procesorjev, povzročijo, da eden ali več procesorjev izvede postopek po katerem koli od zahtevkov od 1 do 8.A computer readable storage medium having stored instructions which, when carried out by one or more processors, cause one or more processors to perform the method according to any one of claims 1 to 8.
SI201330922T 2012-06-28 2013-06-19 Random access and signaling of long-term reference pictures in video coding SI2868083T1 (en)

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US13/784,006 US9591303B2 (en) 2012-06-28 2013-03-04 Random access and signaling of long-term reference pictures in video coding
PCT/US2013/046529 WO2014004201A1 (en) 2012-06-28 2013-06-19 Random access and signaling of long-term reference pictures in video coding
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RU2015102596A (en) 2016-08-20
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WO2014004201A1 (en) 2014-01-03
JP6169689B2 (en) 2017-07-26
RU2646325C2 (en) 2018-03-02
ES2657494T3 (en) 2018-03-05
KR101810302B1 (en) 2017-12-18
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